FR2433180A1 - Cellule a ecoulement continu pour determiner l'activite ionique - Google Patents

Cellule a ecoulement continu pour determiner l'activite ionique

Info

Publication number
FR2433180A1
FR2433180A1 FR7916709A FR7916709A FR2433180A1 FR 2433180 A1 FR2433180 A1 FR 2433180A1 FR 7916709 A FR7916709 A FR 7916709A FR 7916709 A FR7916709 A FR 7916709A FR 2433180 A1 FR2433180 A1 FR 2433180A1
Authority
FR
France
Prior art keywords
continuous flow
cell
flow cell
ionic activity
determining ionic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7916709A
Other languages
English (en)
Other versions
FR2433180B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Technicon Instruments Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technicon Instruments Corp filed Critical Technicon Instruments Corp
Publication of FR2433180A1 publication Critical patent/FR2433180A1/fr
Application granted granted Critical
Publication of FR2433180B1 publication Critical patent/FR2433180B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

L'invention concerne une cellule à écoulement continu pour déterminer l'activité ionique. La cellule 10 comporte un conducteur électrique 21 voisin d'une électrode de détection ionique 19 et d'une jonction liquide poreuse 20 sans être à leur contact pour améliorer le rapport signal/bruit; le conducteur électrique créé à travers le fluide 9 un trajet à faible impédance qui neutralise de façon efficace la distorsion du signal due aux variations de l'impédance dans l'écoulement continu divisé par des segments d'air, et comporte des extrémités 21a le maintenant en position fixe dans la cellule pour éviter qu'il s'établisse un court-circuit avec l'électrode de détection ionique et la jonction liquide poreuse. Application à la détermination du pH d'écoulements segmentés.
FR7916709A 1978-08-07 1979-06-28 Cellule a ecoulement continu pour determiner l'activite ionique Granted FR2433180A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/931,699 US4149950A (en) 1978-08-07 1978-08-07 Flow-through ionic test cell

Publications (2)

Publication Number Publication Date
FR2433180A1 true FR2433180A1 (fr) 1980-03-07
FR2433180B1 FR2433180B1 (fr) 1985-02-22

Family

ID=25461204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7916709A Granted FR2433180A1 (fr) 1978-08-07 1979-06-28 Cellule a ecoulement continu pour determiner l'activite ionique

Country Status (7)

Country Link
US (1) US4149950A (fr)
JP (1) JPS5523491A (fr)
CA (1) CA1118493A (fr)
DE (1) DE2931774A1 (fr)
FR (1) FR2433180A1 (fr)
GB (1) GB2027897B (fr)
IT (1) IT1121014B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299919A (en) * 1980-06-30 1981-11-10 St. Louis University Perfusate redox potential controller
JPS59191655U (ja) * 1983-06-07 1984-12-19 株式会社　堀場製作所 流通型ガラス電極
JPS6053842A (ja) * 1983-09-05 1985-03-27 Hitachi Ltd 流通式電解セル
US5011588A (en) * 1986-09-17 1991-04-30 Rao K Jagan M Ion selective dip electrode assembly
JPH0736274Y2 (ja) * 1987-05-15 1995-08-16 ベックマン インスツルメンツ インコーポレーテッド 改良フローセル
US4871427A (en) * 1988-06-24 1989-10-03 United States Of America As Represented By The Secretary Of The Air Force Ion detection using a differential resistance measurement of an ion exchange membrane
JP2538752Y2 (ja) * 1992-12-15 1997-06-18 双葉金属工業株式会社 軸受具
CH692520A5 (de) * 1997-04-24 2002-07-15 Mettler Toledo Gmbh Verfahren zur Herstellung einer umlaufenden mediumsdichten Verbindung zwischen koaxialen Glasrohren unter Einschluss einer elektrischen Leiterbahn und elektrochemischer Sensor damit.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649504A (en) * 1970-04-17 1972-03-14 Corning Glass Works System for controlling the electrical field in a fluid analyzing chamber
US3732159A (en) * 1970-04-17 1973-05-08 Corning Glass Works Flow-through chamber for analysis of continuously flowing sample solution
US3840438A (en) * 1972-04-10 1974-10-08 Technicon Instr Method of direct potentiometric analysis of a liquid sample

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649504A (en) * 1970-04-17 1972-03-14 Corning Glass Works System for controlling the electrical field in a fluid analyzing chamber
US3732159A (en) * 1970-04-17 1973-05-08 Corning Glass Works Flow-through chamber for analysis of continuously flowing sample solution
US3840438A (en) * 1972-04-10 1974-10-08 Technicon Instr Method of direct potentiometric analysis of a liquid sample

Also Published As

Publication number Publication date
GB2027897B (en) 1983-02-02
FR2433180B1 (fr) 1985-02-22
CA1118493A (fr) 1982-02-16
JPS5523491A (en) 1980-02-19
IT7968507A0 (it) 1979-07-19
IT1121014B (it) 1986-03-26
JPS634136B2 (fr) 1988-01-27
GB2027897A (en) 1980-02-27
US4149950A (en) 1979-04-17
DE2931774A1 (de) 1980-02-14

Similar Documents

Publication Publication Date Title
FR2433180A1 (fr) Cellule a ecoulement continu pour determiner l'activite ionique
ES2177586T3 (es) Un procedimiento electrobioquimico, sistema y electrodos para determinar un miembro de un par de reconocimiento.
FR2421377A1 (fr) Surveillance de la teneur d'un courant de solvant en une espece dotee d'activite electrique
ES2007224A6 (es) Una celula de flujo de electrodos ioniselectivos, mejorada.
GB9624096D0 (en) Apparatus and method of use thereof
FR2397251A1 (fr) Procede et dispositif pour diriger, en l'absence de parois, des veines metalliques liquides, notamment pour les centrer, les guider ou controler leur forme circulaire
FI913024A0 (fi) Plasmabraennare foer oeverfoerda ljusbaogar.
DK26184A (da) Apparat til at svejse roer sammen
FR2390726A1 (fr) Sonde de mesure pour determiner la concentration d'ions dans des liquides
KR940001939A (ko) 유체의 이온 변화를 일으키기 위한 방법 및 장치
KR840003046A (ko) 관의 세정방법 및 장치
Goto et al. Dual electrochemical detector for micro high-performance liquid chromatography and its application to the selective detection of catecholamines
ATE58663T1 (de) Automatisches nahtschweissen an der rohraussenseite.
FR2409508A1 (fr) Dispositif pour detecter la presence de particules electroconductrices dans un fluide
IT7922773A0 (it) Metodo ed apparecchio per saldare ad arco perni con schermo fluido per i contaminanti.
FR2434543A1 (fr) Ruban electrique chauffant
ES2050654T3 (es) Borna electrica de empalme o conexion.
GB1179344A (en) Continuous Particle Electrophoresis Apparatus having Improved Particle Band Stability
Trubey et al. Rapid scanning coulostatic liquid chromatography/electrochemistry in dual electrode cells
JPH045001Y2 (fr)
FR2426990A1 (fr) Dispositif de prise de courant pour machines electriques a collecteur
SU719826A1 (ru) Устройство дл электродуговой сварки плав щимс электродом
FR2541524B1 (fr) Procede pour mettre en contact, par echauffement et au moyen d'un materiau de soudure, des fils metalliques electriquement conducteurs
RU2207555C2 (ru) Проточная кондуктометрическая ячейка для жидкостной хроматографии
JPH0473525B2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse